Group 1 - The MSDS (Material Safety Data Sheet) is a document that contains information about potential hazards (health, fire, reactivity, and environmental) and safe usage of chemical products, serving as a crucial starting point for health and safety plans [2] - MSDS is widely used in the US, Canada, Australia, and many Asian countries, but lacks a unified international standard. Different countries have varying regulations regarding the content and format of MSDS [3] - The MSDS is recognized internationally and adopted by the European and International Organization for Standardization (ISO) 11014, ensuring that safety information for chemicals meets a unified international standard [3] Group 2 - The price of MSDS varies significantly based on the nature of the product, with hazardous materials generally requiring more effort and thus costing more than simpler products [4][5] - The complexity of the chemical composition also affects the MSDS price, with products containing numerous components, such as fragrances, requiring more detailed documentation and higher costs [4][5] Group 3 - The fermentation process of certain alcoholic beverages, such as red rice wine, can produce hazardous gases like hydrogen sulfide, which can be lethal in high concentrations [6][8] - Hydrogen sulfide is a highly toxic gas that can cause serious health risks, including death, when inhaled at certain concentrations, particularly in confined spaces [8][9] - Experts recommend avoiding fermentation or storage of large quantities of organic materials in confined spaces to mitigate the risk of hydrogen sulfide exposure [9]